Monitoring fire effects at archaeological sites provides critical information for fire planning and site preservation. Santa Fe National Forest, New Mexico, 2014.
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Monitoring fire effects at archaeological sites provides critical information for fire planning and site preservation. Santa Fe National Forest, New Mexico, 2014.
Monitoring fire effects at archaeological sites provides critical information for fire planning and site preservation. Santa Fe National Forest, New Mexico, 2014.
Aerial photograph of the mouth of the Elwha River showing sediment deposits from dam removal. Aerial assistance by LightHawk and plane piloted by Dr. Milton Bennett.
Aerial photograph of the mouth of the Elwha River showing sediment deposits from dam removal. Aerial assistance by LightHawk and plane piloted by Dr. Milton Bennett.
Aerial photograph of the Elwha River flowing through the remains of the Glines Canyon Dam during the 3rd year of the dam removal project. Aerial assistance by LightHawk and plane piloted by Dr. Milton Bennett.
Aerial photograph of the Elwha River flowing through the remains of the Glines Canyon Dam during the 3rd year of the dam removal project. Aerial assistance by LightHawk and plane piloted by Dr. Milton Bennett.
Fire monitoring during wildfires helps researchers understand the complex relationships among fuels, fire behavior, and fire effects. Santa Fe National Forest, New Mexico, 2014.
Fire monitoring during wildfires helps researchers understand the complex relationships among fuels, fire behavior, and fire effects. Santa Fe National Forest, New Mexico, 2014.
Grizzly bear hair on barbed wire at a hair corral. Bears climb over or under the corral and the hair collected provides information for genetic analysis.
Grizzly bear hair on barbed wire at a hair corral. Bears climb over or under the corral and the hair collected provides information for genetic analysis.
The red is due to the presence of astaxanthin, a pigment in the cells.
The red is due to the presence of astaxanthin, a pigment in the cells.
Closeup of a Common Checkered-skipper, Pyrgus communis feeding on a yellow flower located in a pollinator plot in North Dakota.
Closeup of a Common Checkered-skipper, Pyrgus communis feeding on a yellow flower located in a pollinator plot in North Dakota.
USGS technicians check bee traps from a harvested wheat field in Colorado. Credit: Mark Vandever, USGS.
USGS technicians check bee traps from a harvested wheat field in Colorado. Credit: Mark Vandever, USGS.
A USGS technician checks bee traps from a harvested wheat field in Colorado. Credit: Mark Vandever, USGS.
A USGS technician checks bee traps from a harvested wheat field in Colorado. Credit: Mark Vandever, USGS.
USGS Manuela Huso and FWS Chris Nicolai at solar trough facility. A solar trough reflects the sun's rays towards a solar collector.
USGS Manuela Huso and FWS Chris Nicolai at solar trough facility. A solar trough reflects the sun's rays towards a solar collector.
Wild tree swallows perched on an artificial nest box at Cosumnes River Preserve, in California’s Central Valley.
Wild tree swallows perched on an artificial nest box at Cosumnes River Preserve, in California’s Central Valley.
Spotted Owl flying
Northern spotted owls (Strix occidentalis caurina) are mostly non-migratory, long-lived birds whose populations have declined in mature forests of western North America.
Northern spotted owls (Strix occidentalis caurina) are mostly non-migratory, long-lived birds whose populations have declined in mature forests of western North America.
Northern spotted owls (Strix occidentalis caurina) are mostly non-migratory, long-lived birds whose populations have declined in mature forests of western North America.
Northern spotted owls (Strix occidentalis caurina) are mostly non-migratory, long-lived birds whose populations have declined in mature forests of western North America.
Pallid sturgeon free embryos preserved at 3 days post hatch. Free embryos at this stage have only a rudimentary mouth, their pectoral fins are only beginning to develop, and they rely on a large yolk sac for food.
Pallid sturgeon free embryos preserved at 3 days post hatch. Free embryos at this stage have only a rudimentary mouth, their pectoral fins are only beginning to develop, and they rely on a large yolk sac for food.
A native bee pollinates a prickly pear cactus in Colorado. Credit: Mark Vandever, USGS.
A native bee pollinates a prickly pear cactus in Colorado. Credit: Mark Vandever, USGS.
CSRP Scientists scan the Yellowstone River where pallid sturgeon were grouped in a spawning aggregation.
CSRP Scientists scan the Yellowstone River where pallid sturgeon were grouped in a spawning aggregation.
Researchers prepare to release a captured female pallid sturgeon after a post-spawn analysis.
Researchers prepare to release a captured female pallid sturgeon after a post-spawn analysis.
University of Minnesota-Duluth researcher Kelsie Murchy records silver carp responses to sound at the USGS Upper Midwest Environmental Sciences Center.
University of Minnesota-Duluth researcher Kelsie Murchy records silver carp responses to sound at the USGS Upper Midwest Environmental Sciences Center.
USGS hydrologists prepare to deploy a BM-54 bed-material sampler on the Yellowstone River.
USGS hydrologists prepare to deploy a BM-54 bed-material sampler on the Yellowstone River.
Banded adult Piping Plover on river mile 1334 of the Missouri River, North Dakota
Banded adult Piping Plover on river mile 1334 of the Missouri River, North Dakota